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Percent decrease in cortisol awakening response (AUCG) by shift status over 3, 5, 7, and 14 days. Percent decrease refers to the difference in least squares mean AUCG values (adjusted for rank) among day workers compared to those working afternoon (white), night (gray), or combined (afternoon + night) shifts (black) for work periods summarized over 3, 5, 7, or 14 days.
